EP2340174A1 - Utilisation d'un film en matière plastique en impression laser couleur - Google Patents

Utilisation d'un film en matière plastique en impression laser couleur

Info

Publication number
EP2340174A1
EP2340174A1 EP09815643A EP09815643A EP2340174A1 EP 2340174 A1 EP2340174 A1 EP 2340174A1 EP 09815643 A EP09815643 A EP 09815643A EP 09815643 A EP09815643 A EP 09815643A EP 2340174 A1 EP2340174 A1 EP 2340174A1
Authority
EP
European Patent Office
Prior art keywords
plastic film
thermoplastic material
thermoplastic
poly
printed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09815643A
Other languages
German (de)
English (en)
Inventor
Georgios Tziovaras
Mehmet-Cengiz Yesildag
Roland KÜNZEL
Dirk W. Pophusen
Heinz Pudleiner
Manfred Lindner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Intellectual Property GmbH
Original Assignee
Bayer MaterialScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Priority to EP09815643A priority Critical patent/EP2340174A1/fr
Publication of EP2340174A1 publication Critical patent/EP2340174A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/027—Thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5272—Polyesters; Polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281—Polyurethanes or polyureas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/529—Macromolecular coatings characterised by the use of fluorine- or silicon-containing organic compounds
    • B42D2033/30—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/46—Associating two or more layers using pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate

Definitions

  • the present invention relates to the use of a plastic film as a printable medium in color laser printing, special plastic films for use in color laser printing and their use in the production of security or value documents and plastic moldings.
  • Colored plastic films have been used for many years in various sectors of the industry, such as: As packaging, advertising, signaling, automotive industry, etc., used the largest part of these films, however, by analog Drucktechmken such.
  • the films for analog printing processes must be pretreated accordingly.
  • the surface energy of the film must be increased, such as by flame treatment or plasma treatment the paint application in the analog printing process relatively thick, so that solvents o ä ingredients are not completely removed from the ink layer and can remain in the paint. As a result, the film surface is dissolved or swelled.
  • UV-curable inkjet inks have also been developed which are cured with UV light immediately after printing. These inks have good adhesion to plastic but are brittle. Further inkjet systems first print a primer or catalyst on the film and then the ink thereafter, the inks then forming a solid layer on the films with the polymer or through the catalyst react. However, these pretreatments prior to actual printing require at least one additional step.
  • transfer printing Another well-known digital printing process for plastic films is transfer printing.
  • the colors are on ribbons and transferred to the substrate by means of pressure and temperature.
  • the transfer printing on films is not suitable for films which are subsequently laminated under pressure and temperature, since the ink layer would run thereby.
  • the color laser printing is superior to the above-mentioned digital printing method in particular in the following points: It combines a very good print quality with a high printing speed The prints are more resistant to sunlight, which with inkjet printers only at Use of specialty inks can be achieved.
  • the laser printing costs are significantly lower, and the life expectancy of the devices significantly higher than, for example, inkjet printers.
  • laser printers can bridge longer life without maintenance would be necessary because no drying of the nozzles, for example, in inkjet printers, can take place.
  • toners for laser printers have considerably longer storage life.
  • the object on which the present invention was based was then to find plastic films for use in such a color laser printing process, which require no previous additional treatment before printing.
  • plastic films made of a thermoplastic material having a surface resistivity of from 10 5 to 10 14 ⁇ are suitable for use as a printing medium in color laser printing.
  • the present invention is therefore the use of a plastic film made of a thermoplastic material having a surface resistivity of 10 5 to 10 14 ⁇ as a medium to be printed in color laser printing.
  • the color laser printing process in general works in principle as follows: A photoconductor-coated image drum or endless belt is first electrostatically negatively charged either by means of a charge corona or by means of charge rollers. Subsequently, the charge on the photoconductor is erased by exposure to the places where toner is not to be applied to the drum later. For exposure, a laser beam is directed line by line onto the drum via a rotating mirror (laser scanner) and switched on or off like a grid. Once the photoconductor is then placed in the developer unit in the immediate vicinity of the charged electrostatically opposite to the photoconductor toner, the toner jumps due to the opposite charge on the drum and adhere to it. The photoconductor then brings the toner into contact either directly with the medium to be printed or first with a transfer roll or transfer ribbon. The toner is then caused to jump over to the medium to be printed by means of a on the back of the medium to be printed on
  • the medium to be printed reaches the fixing unit; which essentially comprises two hollow rollers carrying a special coating (eg Teflon or silicone rubber). Inside of at least one of the two rollers is a heating rod, which heats the roller so (eg up to about 180 ° C. or more), the toner melts and sticks to the medium as it passes through the medium to be printed.
  • the special coating of the rollers and optionally a corresponding, light electrostatic charging of the rollers which repel the toner (upper roller) or tighten (lower roller, beyond the medium to be printed) ensures that as little toner as possible adheres to the heating rollers.
  • plastic films with a specific surface resistance of 10 5 to 10 14 ⁇ are suitable for use as a medium to be printed in color laser printing, since too low a specific surface resistance and thus too little electrostatic charge of the For printing medium selective skipping the toner should no longer be possible. Too high specific surface resistance and thus excessive electrostatic charge of the medium to be printed em erroneous printed image is also obtained
  • Plastic films which have a specific surface resistance of 10 7 to 10 13 ⁇ , preferably of 10 s to 10 12 ⁇ , are preferably suitable for the use according to the invention.
  • the specific surface resistance in ⁇ is determined according to DIN EEC 93
  • thermoplastic plastic may preferably be at least one thermoplastic selected from polymers of ethylenically unsaturated monomers and / or polycondensates of bifunctional reactive compounds. For certain applications it may be advantageous to use a transparent thermoplastic
  • thermoplastics are polycarbonates or copolycarbonates based on diphenols, poly- or copolyacrylates and poly- or copolymers of copolymers such as, by way of example and by way of preference, polymethyl methacrylate, copolymers or copolymers with styrene, such as, by way of example and by way of example, transparent polystyrene or polystyrene acrylonitrile (SAN), transparent thermoplastic polyurethanes, and polyolefins, such as for example and preferably transparent polypropylene types, or polyolefins based on cychschen olefins (e.g.
  • B TOPAS ® Hoechst
  • poly- or copolycondensates of terephthalic acid such as for example and preferably poly- or copolyethylene terephthalate (PET or CoPET), glycol-modified PET (PETG) or poly or copolybutylene terephthalate (PBT or CoPBT) or mixtures of the foregoing
  • polycarbonates or copolycarbonates in particular having average molecular weights M w from 500 to 100,000, preferably 10,000 to 80,000, particularly preferably 15,000 to 40,000, or blends thereof with at least one poly- or Copolycondensate of terephthalic acid ⁇ ut average molecular weights M w from 10,000 to
  • the blend is a blend of polycarbonate or copolycarbonate with poly- or copolybutylene terephthalate.
  • a blend of polycarbonate or copolycarbonate with poly- or copolybutylene terephthalate it may be preferred to one with 1 to 90% by weight of polycarbonate or copolycarbonate and 99 to 10% by weight of poly- or copolybutylene terephthalate, preferably with 1 to 90% by weight of polycarbonate and 99 to 10% by weight of polybutylene terephthalate, the proportions being 100%
  • It is particularly preferable for such a blend of polycarbonate or copolycarbonate with poly- or copolybutylene terephthalate to be one containing 20 to 85% by weight of polycarbonate or
  • Copolycarbonate and 80 to 15% by weight of poly- or copolybutylene terephthalate preferably with 20 to 85% by weight of polycarbonate and 80 to 15% by weight of polybutylene terephthalate
  • thermoplastic material is a blend of at least one polycarbonate or copolycarbonate and at least one poly- or copolycondensate of terephthalic acid
  • Plastic such a particularly preferred plastic film has a lower Vicat softening temperature B / 50 ( B ie nd) than the Vicat softening temperature B / 50 ( p o i yCa ⁇ onat) of the non-blended poly- or copolycarbonate and the film shows particularly good printability , This particularly good printability of such a film with reduced
  • Vicat softening temperature B / 50 of the thermoplastic material is all the more surprising as the thermal load of the print media due to the high fixing temperatures for the use of plastic films in color laser printing requires a particularly high thermal and heat resistance and thus rather higher Vicat softening temperatures B / 50 should be beneficial
  • the Vicat softening temperature B / 50 of a thermoplastic is the Vicat softening temperature B / 50 measured according to ISO 306 (50 N, 50 ° C / h).
  • Particularly suitable polycarbonates or copolycarbonates in preferred embodiments are aromatic polycarbonates or copolycarbonates.
  • the polycarbonates or copolycarbonates may be linear or branched in a known manner
  • the preparation of these polycarbonates can be carried out in a known manner from diphenols, carbonic acid derivatives, optionally chain terminators and optionally branching details of the preparation of polycarbonates are laid down in many patents for about 40 years.
  • Suitable diphenols may be, for example, dihydroxyaryl compounds of the general formula (I)
  • Z is an aromatic radical having 6 to 34 carbon atoms, which may contain one or more optionally substituted aromatic nuclei and ahphatician or cycloahphatic radicals or alkylaryl or heteroatoms as bridging
  • dihydroxyaryl compounds examples include: dihydroxybenzenes, dihydroxydiphenyls, bis (hydroxyphenyl) alkanes, bis (hydroxyphenyl) cycloalkanes, bis (hydroxyphenyl) -aryls, bis (hydroxyphenyl) ethers, bis (hydroxyphenyl) ketones, Bis (hydroxyphenyl) sulfites, bis-
  • Preferred dihydroxyaryl compounds are, for example, resorcinol, 4,4'-dihydroxydiphenyl, bis (4-hydroxyphenyl) methane, bis (3,5-dimethyl-4-hydroxyphenyl) methane, bis (4-hydroxyphenyl) -diphenylmethane , 1,1-bis (4-hydroxyphenyl) -1-phenyl-ethane, 1,1-bis (4-hydroxyphenyl) -l- (1-naphthyl) -ethane, 1,1-bis- (4-hydroxyphenyl) -1- hydroxyphenyl) -1- (2-naphthyl) ethane, 2,2-bis (4-hydroxyphenyl) -propane, 2,2-bis (3-methyl-4-hydroxyphenyl) -propane, 2,2-bis - (3,5-dimethyl-4-hydroxyphenyl) -propane, 2,2-bis (4-hydroxyphenyl) -1-phenyl-propane,
  • R 1 and R 2 independently of one another are hydrogen, halogen, preferably chlorine or bromine, C 1 -
  • n is an integer from 4 to 7, preferably 4 or 5
  • R 3 and R 4 are individually selectable for each X, independently of one another hydrogen or C 1 -C 6 -
  • Preferred alkyl radical for the radicals R 3 and R 4 in formula (Ia) is methyl.
  • the X atoms in the alpha position relative to the diphenyl-substituted C atom (CI) are preferably not dialkyl-substituted, whereas alkyl disubstitution in the beta position relative to CI is preferred.
  • a most preferred Dihydroxyd ⁇ henylcycloalkan the Formenl (Ia) is l, l-bis (4-hydroxyphenyl) -3,3,5-trimethyl-cyclohexane (formula (Ia-I) with R 1 and R 2 is H)
  • Such polycarbonates can be prepared according to EP-A 359 953 from Dihydroxydiphenylcycloalkanen of formula (Ia).
  • dihydroxyaryl compounds are resorcm, 4,4'-dihydroxydiphenyl, bis (4-hydroxyphenyl) -diphenyl-methane, 1,1-bis- (4-hydroxyphenyl) -1-phenyl-ethane, bis- (4-hydroxyphenyl) -l- (1-naphthyl) ethane, bis (4-hydroxyphenyl) -1- (2-naphthyl) ethane, 2,2-bis- (4-hydroxyphenyl) -propane, 2,2-bis (3 , 5-dimethyl-4-hydroxyphenyl) -propane, 1,1-bis (4-hydroxyphenyl) -cyclohexane, 1-bis-QS-dimethyl-hydroxyphenyl-cyclohexane, 1,1-bis- (4-hydroxyphenyl) - 3, 3, 5-t-methylcyclohexane, 1,1'-bis (4-hydroxyphenyl) -3-dinopropylbenzen
  • Dihydroxyarylverbmditch are 4,4'-dihydroxydiphenyl, 2,2-bis (4-hydroxyphenyl) propane and l, l-bis (4-hydroxyphenyl) -3,3,5-t ⁇ methyl-cyclohexane
  • Both a dihydroxyaryl compound to form homopolycarbonates and various dihydroxyaryl compounds to form copolycarbonates can be used. It is possible to use both a dihydroxyaryl compound of the formula (I) or (Ia) to form homopolycarbonates and also several dihydroxyaryl compounds of the formula (I) and / or (Ia) to form copolycarbonates.
  • the various dihydroxyaryl compounds may be linked together both randomly and in blocks. in the
  • the molar ratio of dihydroxyaryl compounds of the formula (Ia) to the other dihydroxyaryl compounds of the formula (I) which may be used is preferably between 99 mol% (Ia) and 1 mol % (I) and 2 mol% (Ia) to 98 mol% (I), preferably between 99 mol% (Ia) to 1 mol% (I) and 10 mol% (Ia) to 90 mol% % (I) and in particular between 99 mol%
  • a most preferred copolycarbonate can be prepared using 1,1-bis (4-hydroxyphenyl) -3,3,5-t-methylcyclohexane and 2,2-bis- (4-hydroxyphenyl) -propane as dihydroxyaryl compounds of the formula (Ia ) and (I) are produced.
  • Suitable carbonic acid derivatives may be, for example, diaryl carbonates of the general formula (ET),
  • R, R 'and R are independently the same or different and represent hydrogen, linear or branched Ci-C 34 -alkyl, C 7 -C 34 or C 6 -C 34 -AIlCyIaTyI -ATyI further, R and -COO-R'"may mean, where R"'is hydrogen, linear or branched Ci-C 34 alkyl, C 7 -C 34 alkylaryl or C 6 -C 34 -aryl.
  • Preferred diaryl carbonates are, for example, diphenyl carbonate, methylphenyl phenyl carbonates and di (methylphenyl) carbonates, 4-ethylphenyl phenyl carbonate, di (4-ethylphenyl) carbonate, 4-n-propylphenyl phenyl carbonate, di- (4-n-propylphenyl) carbonate, 4-iso-Propylphenyl- phenyl carbonate, di- (4-iso-propylphenyl) carbonate, 4-n-butylphenyl-phenyl carbonate, di- (4-n-butylphenyl ) carbonate, 4-isobutylphenyl phenyl carbonate, di (4-isobutylphenyl) carbonate, 4-tert-butylphenyl phenyl carbonate, di- (4-tert-butylphenyl) carbonate, 4- n-pentylphenyl phenyl carbonate,
  • diaryl compounds are diphenyl carbonate, 4-tert-butylphenyl phenyl carbonate, di (4-tert-butylphenyl) carbonate, biphenyl-4-yl phenyl carbonate, di (biphenyl-4-yl) carbonate, 4- (1-methyl-1-phenylethyl) -phenyl-phenyl carbonate, di- [4- (1-methyl-1-phenylethyl) -phenyl] -carbonate and di (methyl salicylate) carbonate.
  • R A is linear or branched C 1 -C 34 -alkyl, C 7 -C 34 -alkylaryl, C 6 -C 3 -aryl or -COO-
  • R D is where R D is hydrogen, linear or branched Ci-C 34 -AllCyI, C 7 -C 34 - alkylaryl or C 6 -C 34 -aryl, and
  • R B , R c are each, independently of one another or different, hydrogen, linear or branched C 1 -C 34 -alkyl, C 7 -C 34 -alkylaryl or C 6 -C 34 -arVl.
  • Such monohydroxyaryl compounds are, for example, 1-, 2- or 3-methylphenol, 2,4-
  • Suitable branching agents may be compounds having three or more functional groups, preferably those having three or more hydroxyl groups.
  • Suitable compounds having three or more phenolic hydroxyl groups are, for example
  • Phloroglucinol 4,6-dimethyl-2,4,6-tris (4-hydroxyphenyl) -heptene-2, 4,6-dimethyl-2,4,6-tri- (4-hydroxyphenyl) -heptane, 1, 3,5-tri- (4-hydroxyphenyl) -benzene, 1,1,1-tris (4-hydroxyphenyl) -ethane, tri- (4-hydroxyphenyl) -phenylmethane, 2,2-bis- (4,4 bis (4-hydroxyphenyl) cyclohexyl] propane, 2,4-bis (4-hydroxyphenyl-isopropyl) -phenol and tetra (4-hydroxyphenyl) -methane.
  • 2,4-dihydroxybenzoic acid trimesic acid (trichloride), cyanuric trichloride and 3,3-bis (3-methyl-4-hydroxyphenyl) -2-oxo-2,3-dihydroindole.
  • Preferred branching agents are 3,3-bis (3-methyl-4-hydroxyphenyl) -2-oxo-2,3-dihydroindole and 1,1,1-tri (4-hydroxyphenyl) -ethane.
  • Suitable poly- or copolycondensates of terephthalic acid in preferred embodiments of the invention are polyalkylene terephthalates.
  • Suitable polyalkylene terephthalates are, for example, reaction products of aromatic dicarboxylic acids or their reactive derivatives (for example dimethyl esters or anhydrides) and aliphatic, cycloaliphatic or araliphatic diols and mixtures of these reaction products.
  • Preferred polyalkylene terephthalates can be prepared from terephthalic acid (or its reactive derivatives) and aliphatic or cycloaliphatic diols having 2 to 10 carbon atoms by known methods (Kunststoff-Handbuch, Vol. VHI, p. 695 ff, Karl Hanser Verlag, Kunststoff 1973 ).
  • Preferred polyalkylene terephthalates contain at least 80 mole%, preferably 90 mole% terephthalic acid residues, based on the dicarboxylic acid component, and at least 80 mole%, preferably at least 90 mole% ethylene glycol and / or 1,4-butanediol residues, based on the Diol component.
  • the preferred polyalkylene terephthalates may contain up to 20 mol% of radicals of other aromatic dicarboxylic acids having 8 to 14 carbon atoms or aliphatic
  • Dicarboxylic acids having 4 to 12 carbon atoms such as radicals of phthalic acid, isophthalic acid, naphthalene-2,6-dicarboxylic acid, 4,4'-diphenyldicarboxylic acid, succinic, adipic, sebacic, azelaic, cyclohexanediacetic.
  • the preferred polyalkylene terephthalates may contain up to 20 mol% of other aliphatic diols having 3 to 12 C atoms or cycloaliphatic diols having 6 to 21 C atoms, eg. B.
  • the polyalkylene terephthalates can be prepared by incorporating relatively small amounts of 3- or 4-valent
  • Alcohols or 3- or 4-basic carboxylic acids as z. B. in DE-OS 19 00 270 and the U.S. Patent 3,692,744.
  • preferred branching agents are trimesic acid, trimellitic acid, trimethylolethane and -propane and pentaerythritol.
  • not more than 1 mol% of the branching agent, based on the acid component, is used.
  • polyalkylene terephthalates which have been prepared solely from terephthalic acid and its reactive derivatives (eg their dialkyl esters) and ethylene glycol and / or butane-1,4-diol, and mixtures of these polyalkylene terephthalates.
  • Preferred polyalkylene terephthalates are also copolyesters which are prepared from at least two of the abovementioned acid components and / or from at least two of the abovementioned alcohol components; particularly preferred copolyesters are poly (ethylene glycol / butanediol-1, 4) terephthalates.
  • the polyalkylene terephthalates preferably used as a component preferably have an intrinsic viscosity of about 0.4 to 1.5 dl / g, preferably 0.5 to 1.3 dl / g, each measured in phenol / o-dichlorobenzene (1: 1 wt . Parts) at 25 ° C.
  • a plastic film which is particularly preferably suitable for the use according to the invention is one having a layer structure comprising at least three layers thereof
  • thermoplastic material with a Vicat softening temperature 6/50 (1 ⁇ ,,)
  • thermoplastic material having a Vicat softening point B / 50 (outer), which is lower than the Vicat softening point B / 50 (i n "eil)
  • the lower or the upper layer preferably the lower and upper layer have a surface resistivity of 10 s to 10 14 ⁇ .
  • a plastic film with such a layer structure which is particularly preferably suitable for the use according to the invention comprises three layers, one of which is an inner layer and one lower and one upper layer, independently of one another of the abovementioned thermoplastic materials.
  • Such a plastic film with the layer structures described above has not been described in the prior art and therefore also subject of the present invention.
  • Such a plastic film shows surprisingly good printability and due to the middle Layer of a thermoplastic material with a higher Vicat softening temperature B / 50 (i "" e ”) also improved thermal resistance.
  • the Vicat softening temperature is preferably B / 50 (outer) at least 5 ° C med ⁇ ger, preferably at least 10 0 C lower than the Vicat softening point B / 50 (inner).
  • thermoplastic material of the lower and the upper layer may be a blend of at least one polycarbonate or copolycarbonate and at least one poly- or copolycondensate of terephthalic acid, most preferably a blend of polycarbonate or copolycarbonate with poly- or copolybutylene terephthalate.
  • thermoplastic material of the plastic films used according to the invention may, in preferred embodiments of the present invention, for example, be selected from tertiary or quaternary, preferably quaternary ammonium or phosphomium salts of a partially or perfluorinated organic acid or quaternary ammonium or phosphonium hexafluorophosphates to achieve surface resistivity. preferably a partially fluorinated or perfluorinated alkylsulfonic acid, preferably emer
  • Suitable cations of such salts suitable for use in accordance with the invention are acylic or cyan tertiary or quaternary ammonium or phosphonium cations.
  • Suitable cychic cations include, for example, pyridinium, pyridinium, pymidinium, pyrazium, imidazolium.
  • Suitable pyrazohum, oxazohum or thiazohum cations are, for example, those which are integrated into the following formula (IV)
  • particularly preferred suitable quaternary ammonium or phosphonium salts of a perfluoroalkylsulfonic acid are, for example, those of the general formula (IV) R 1 -SO 3 XR 2 R 3 R 4 R 5 (IV)
  • X is N or P, preferably N,
  • R 1 is a partially or perfluorinated Cychian or linear, branched or unbranched carbon chain having 1 to 30 carbon atoms, preferably 4 to 8 carbon atoms, in the case of Cych residues preferably those having 5 to 7 carbon atoms,
  • R 2 unsubstituted or by halogen, hydroxy, cycloalkyl or alkyl, in particular by Ci to C 3 alkyl or C 5 to C 7 cycloalkyl, substituted, cychsche or linear, branched or unbranched carbon chains having 1 to 30 carbon atoms, preferably 3 to 10 carbon atoms, in the case of cychscher residues preferred those with 5 to 7
  • Carbonyls particularly preferably propyl, 1-butyl, 1-pentyl, hexyl, isopropyl, isobutyl, tert-butyl, neo-pentyl, 2-pentyl, iso-pentyl, iso-hexyl, cyclohexyl, cyclohexylmethyl and cyclopentyl,
  • R 3 , R 4 , R 5 are each independently unsubstituted or substituted by halogen, hydroxy, cycloalkyl or alkyl, in particular by C 1 to C 3 alkyl, or C 5 to C 7 cycloalkyl, substituted, cychian or linear, branched or unbranched carbon chains having 1 to 30 carbon atoms, preferably 1 to 10 carbon atoms, in the case of cychscher
  • Radicals are preferably those having 5 to 7 carbon atoms, more preferably methyl, ethyl,
  • a preferred choice are the ammonium or phosphomium salts in which X is N or P, preferably N,
  • R 1 is perfluorinated linear or branched carbon chains having 1 to 30 carbon atoms, preferably 4 to 8 carbon atoms,
  • R 2 are each independently halogenated or nonhalogenated linear or branched carbon chains having 1 to 30 carbon atoms, preferably 3 to 10 carbon atoms, particularly preferably propyl, 1-butyl, 1-pentyl, hexyl, isopropyl, isobutyl, tert-butyl, neopentyl, 2-pentyl , Iso-pentyl, iso-hexyl,
  • R 3 , R 4 , R 5 are each independently halogenated or non-halogenated linear or branched carbon chains having 1 to 30 carbon atoms, preferably 1 to 10 Carbon atoms; particularly preferably methyl, ethyl, propyl, 1-butyl, 1-pentyl, hexyl, isopropyl, isobutyl, tert-butyl, neo-pentyl, 2-pentyl, iso-pentyl, iso-hexyl
  • Preferred suitable quaternary ammonium or phosphonium salts are:
  • Tetrapropylammonium fluorobutylsulfonate - diisopropyldimethylammonium perfluorobutylsulfonate
  • ammonium salts are preferred.
  • perfluorooctanesulfonic acid tetrapropylammonium salt is particularly suitable.
  • the perfluorooctanesulfonic acid tetrabutylammomum salt is particularly suitable.
  • the perfluorooctanesulfonic acid tetra-pentylammomum salt is particularly suitable.
  • Perfluoroctansulfonkladimethyldnsopropylammoniumsalz and the corresponding Perfluorbutansulfonsauresalze are used.
  • the Perfluorbutansulfonkladimethyldiisopropylammoniumsalz (Dnsopropyldimethylammomum- perfluorobutylsulfonat) is used.
  • the salts mentioned are known or can be prepared by known methods.
  • the salts of sulfonic acids can be prepared, for example, by combining equimolar amounts of the free sulfonic acid with the hydroxy form of the corresponding cation in water at room temperature and concentrating the solution.
  • Other preparation methods are described, e.g. in DE-A 1 966 931 and NL-A 7 802 830.
  • the salts mentioned are preferably added in amounts of from 0 001 to 2% by weight, preferably from 0.1 to 1% by weight, to the thermoplastics prior to shaping into the plastic film, which can be effected, for example, by extrusion or coextrusion.
  • thermoplastics may also be added to the thermoplastics.
  • the plastic films to be used according to the invention may also be, for example, filled plastic films, i. act with filled plastic films.
  • the plastic films to be used according to the invention preferably have a thickness of 55 ⁇ m to 750 ⁇ m, more preferably of 100 ⁇ m to 300 ⁇ m.
  • the plastic film is a layer structure comprising at least three layers, the ratio of the layer thickness of the inner layer or the total layer thickness, if appropriate, of several inner layers to the layer thickness of the lower and upper layer or to the respective Total layer thickness, where appropriate, of several lower and upper layers 1. 1 . 1 to 20. 1 . 1, preferably 2: 1: 1 to 5: 1: 1
  • the erfmdungsgeand to be used plastic films are preferably prepared by extrusion or coextrusion of the optionally additized thermoplastics A further aftertreatment, for example, the surface before using these plastic films as a medium to be printed in the color laser printing is not required
  • plastic films used found a printing medium for the color laser printing, which can be produced in a simple manner
  • the plastic films to be used according to the invention can be printed without errors, for example, with a resolution of up to 600 dpi. Resolutions above 600 dpi are also possible when using the plastic films to be used according to the invention in color laser printing.
  • the invention further relates to a method for printing a plastic film by means of color laser printing, characterized in that as printable medium one of previously described plastic films made of a thermoplastic material having a surface resistivity of 10 5 to 10 14 ⁇ is used.
  • a film printed according to the above-mentioned process is particularly well suited, for example, for use in the production of security or value documents, particularly preferably personalized ones
  • the present invention is therefore further a security or document of value, preferably personalized security document, or plastic molding containing a printed by means of inventive method plastic film.
  • Security or value documents in particular personalized security documents such as security documents.
  • ID cards often have a layer composite containing a printed by means of inventive method plastic film, which is then laminated to a solid composite. Among other things, this serves to ensure that the personalized information and security features are exchanged and incorrectly placed in the corresponding document.
  • the present invention therefore further provides a process for producing a security or value document, preferably a personalized security document, which comprises laminating a layer composite comprising a plastic film printed by means of the method according to the invention.
  • Plastic moldings may likewise have a layer composite containing a printed by means of the inventive method plastic film, which is subsequently thermally deformed and optionally back-injected with a further thermoplastic material.
  • the present invention therefore further provides a process for the production of a plastic molded part, which comprises thermally deforming a composite film containing a plastic film printed by means of the method according to the invention or a plastic film printed by means of the method according to the invention and then optionally back-spun with a thermoplastic plastic becomes.
  • the film to be used according to the invention has the particular advantage here that the quality of the printed image is not impaired even in the case of this thermal aftertreatment by means of lamination or thermal deformation and, if appropriate, back-molding.
  • the information content and the function of the Security features are not lost and the plastic moldings do not lose their decorative quality.
  • the surface resistivity in ⁇ was determined in accordance with DIN IEC 93.
  • the roughness was determined according to the ISO 4288 standard.
  • Bayer Mate ⁇ alScience AG and Perfluoroctansulfonklatraethylammoniumsalz (Bayowet 248 ® of Bayer Material Science AG) as an additive with a composition of 98.5% Makrolon 3108 ® and 1.5% Bayowet 248 ® at a melt temperature of 280 0 C prepared by extrusion.
  • the specific surface resistance of the film was determined according to DIN IEC 93 ( ⁇ ) and was 6 0 10 12 ⁇ .
  • a DIN-A 4 film sample of this film was printed with a color laser printer from HP (model of the printer, HP Color LaserJet 4500 DN).
  • the film was printed on the side with the number 2 (roughness R3z ⁇ 9 microns).
  • Print Pattern Full-surface 4-color print
  • the film could be imprinted perfectly and showed em error-free print image.
  • the film could be imprinted flawlessly and showed a faultless print image.
  • the film was screen-printed onto the digitally printed printing pattern with white ink (No ⁇ phan HTR white 945 from Proll).
  • the film was then deformed by HPF (High Pressure Formmg) on a Niebling, Model SAMK 360 deformation machine.
  • HPF High Pressure Formmg
  • the overhanging film scraps were die-cut so that the molded film piece would fit snugly into the cavity of a corresponding injection mold.
  • the molded Fohenst ⁇ ck was injected behind Bayblend ® T65.
  • the printed image in the finished molded part showed no adverse effect
  • the film could be imprinted flawlessly and showed a faultless print image.
  • the printed sheet was placed between two films based on polycarbonate Makrolon ® 3108 from Bayer MaterialScience AG.
  • the film stack was placed in a lamination press of the company
  • the printed image in the laminated card showed no deterioration.
  • LTO indium tin oxide
  • Print pattern full-surface 4-color printing Resolution of the print pattern 600 dpi.
  • the film could hardly be printed and showed almost no printed image.
  • a DIN-A 4 film sample of a polycarbonate film with a surface resistance of 10 16 ⁇ was printed with a color laser printer from HP (model of the
  • Print Pattern Full-surface 4-color print
  • the film could be printed, but showed a faulty, striped printed image.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne l'utilisation d'un film en matière plastique en tant que support imprimable en impression laser couleur, des films en matière plastique spéciaux utilisables en impression laser couleur, ainsi que leur utilisation pour produire des documents de sécurité ou de valeur et des pièces moulées en matière plastique.
EP09815643A 2008-09-24 2009-09-10 Utilisation d'un film en matière plastique en impression laser couleur Withdrawn EP2340174A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09815643A EP2340174A1 (fr) 2008-09-24 2009-09-10 Utilisation d'un film en matière plastique en impression laser couleur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20080016744 EP2168783A1 (fr) 2008-09-24 2008-09-24 Utilisation d'un film plastique dans l'impression laser couleur
EP09815643A EP2340174A1 (fr) 2008-09-24 2009-09-10 Utilisation d'un film en matière plastique en impression laser couleur
PCT/EP2009/006561 WO2010034409A1 (fr) 2008-09-24 2009-09-10 Utilisation d'un film en matière plastique en impression laser couleur

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EP2340174A1 true EP2340174A1 (fr) 2011-07-06

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EP09815643A Withdrawn EP2340174A1 (fr) 2008-09-24 2009-09-10 Utilisation d'un film en matière plastique en impression laser couleur

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EP (2) EP2168783A1 (fr)
JP (1) JP2012503787A (fr)
KR (1) KR20110071066A (fr)
CN (1) CN102164753A (fr)
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WO (1) WO2010034409A1 (fr)

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DE102010024790A1 (de) * 2010-06-23 2011-12-29 Mühlbauer Ag Verfahren zur Herstellung eines Identifikationsdokuments
WO2021116356A1 (fr) * 2019-12-12 2021-06-17 Covestro Intellectual Property Gmbh & Co. Kg Films ayant des propriétés spéciales
CN113895019A (zh) * 2021-09-09 2022-01-07 广州市三宝印刷有限公司 一种pet吸塑面具及其制备方法与应用

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US20110206908A1 (en) 2011-08-25
KR20110071066A (ko) 2011-06-28
JP2012503787A (ja) 2012-02-09
WO2010034409A1 (fr) 2010-04-01
CN102164753A (zh) 2011-08-24
EP2168783A1 (fr) 2010-03-31

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